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UF V (E2+E2.1) 03/2013
page 64/112
10.5 Door open alarm
The open and closed condition of the unit door is controlled via the door contact switch. When the door is
opened, the refrigerating machine turns on.
Figure 43: Door open alarm
•
Alarm message “
dor
” immediately
•
LED indication immediately: LED
flashes
•
Audible alarm: buzzer (intermittent sound, beginning 1 minute after the door is opened)
•
Switching the zero-voltage relay alarm output (beginning 1 minute after the door is opened)
Actions:
•
Close the outer door.
•
Use the “
EXIT
” button to switch off the buzzer even when the door is open.
•
The alarm message is cancelled.
•
The zero-voltage relay alarm output switches off.
Monitoring of the door condition and alarm suppression:
The door condition is monitored via a door sensor.
•
No tolerance range alarm is triggered after door opening.
•
After the door is closed the temperature alarm-delay time
dt.1
set in Operating Mode USER (chap.
8.3) begins to run. No tolerance range alarm is triggered during this period. This prevents alarms
constantly being triggered during the undefined operating phase after closing the door
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Страница 7: ...UF V E2 E2 1 03 2013 page 7 112 Product registration...
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